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| author | Richard Henderson <rth@cygnus.com> | 1999-03-13 09:38:17 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 1999-03-13 09:38:17 -0800 |
| commit | b452ec852d0c8200297e6fce7205f3090aa8a01c (patch) | |
| tree | 46258441c613951e3bc7e91206ed1dec0cf48ec6 /gcc/haifa-sched.c | |
| parent | 98941e0190f374aca42970b46a18a2793faa5b88 (diff) | |
| download | gcc-b452ec852d0c8200297e6fce7205f3090aa8a01c.zip gcc-b452ec852d0c8200297e6fce7205f3090aa8a01c.tar.gz gcc-b452ec852d0c8200297e6fce7205f3090aa8a01c.tar.bz2 | |
* haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
From-SVN: r25752
Diffstat (limited to 'gcc/haifa-sched.c')
| -rw-r--r-- | gcc/haifa-sched.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c index 8c7e8b58..cc8116b 100644 --- a/gcc/haifa-sched.c +++ b/gcc/haifa-sched.c @@ -3357,7 +3357,6 @@ sched_analyze_1 (x, insn) for (u = reg_last_uses[regno + i]; u; u = XEXP (u, 1)) add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI); - reg_last_uses[regno + i] = 0; for (u = reg_last_sets[regno + i]; u; u = XEXP (u, 1)) add_dependence (insn, XEXP (u, 0), REG_DEP_OUTPUT); @@ -3366,6 +3365,7 @@ sched_analyze_1 (x, insn) but sets must be ordered with respect to a pending clobber. */ if (code == SET) { + reg_last_uses[regno + i] = 0; for (u = reg_last_clobbers[regno + i]; u; u = XEXP (u, 1)) add_dependence (insn, XEXP (u, 0), REG_DEP_OUTPUT); SET_REGNO_REG_SET (reg_pending_sets, regno + i); @@ -3386,13 +3386,13 @@ sched_analyze_1 (x, insn) for (u = reg_last_uses[regno]; u; u = XEXP (u, 1)) add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI); - reg_last_uses[regno] = 0; for (u = reg_last_sets[regno]; u; u = XEXP (u, 1)) add_dependence (insn, XEXP (u, 0), REG_DEP_OUTPUT); if (code == SET) { + reg_last_uses[regno] = 0; for (u = reg_last_clobbers[regno]; u; u = XEXP (u, 1)) add_dependence (insn, XEXP (u, 0), REG_DEP_OUTPUT); SET_REGNO_REG_SET (reg_pending_sets, regno); |